Beverage brands (1929): Identify the soft drink invented by Charles Leiper Grigg. Full question: What drink did Charles Leiper Grigg invent in 1929, originally launched as a lemon–lime soda? Choose the correct option.

Given

• Inventor: Charles Leiper Grigg.
• Year: 1929.

Explanation
Grigg created a lemon–lime soda first branded Bib-Label Lithiated Lemon-Lime Soda, soon renamed 7 Up, which became a major soft drink brand.

Why others are incorrect
Sprite (Coca-Cola, 1961), Mountain Dew (1940s origins), Fanta (WWII-era Germany) were not Grigg's 1929 invention.

Final Answer
7 Up (originally "Bib-Label Lithiated Lemon-Lime Soda").